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https://github.com/drasko/codezero.git
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7a81db8782
Added setting of utcb address to l4_thread_control. This is going to be moved to exchange_registers() since we need to pass both the utcb physical and virtual address and exregs fits such context modification better than thread_control.
30 lines
537 B
C
30 lines
537 B
C
/*
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* Exchange registers system call data.
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*
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* Copyright (C) 2008 Bahadir Balban
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*/
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#ifndef __EXREGS_H__
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#define __EXREGS_H__
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#include <l4/macros.h>
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#include INC_GLUE(syscall.h)
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#include INC_GLUE(context.h)
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#include <l4/types.h>
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#define EXREGS_SET_PAGER 1
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#define EXREGS_SET_UTCB 2
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/* Structure passed by userspace pagers for exchanging registers */
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struct exregs_data {
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exregs_context_t context;
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u32 valid_vect;
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u32 flags;
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l4id_t pagerid;
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unsigned long utcb_phys;
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unsigned long utcb_virt;
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};
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#endif /* __EXREGS_H__ */
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